For the protection of Jinan springs, based on the monitoring data of groundwater quality during dry seasons in 2013, the chemical characteristics evolution of karst water was analyzed by RockWare Aq·QA software, combined with hydrogeological conditions in jinan spring area. According to the groundwater quality standard, the present situation of karst water was evaluated. On the basis of the F value of evaluation, the groundwater quality zone is partitioned by ArcGIS software. The results show that: (1) the groundwater chemical types complicated from the single type (HCO3–Ca and HCO3–Ca·Mg) in 1950s to some new types (HCO3·SO4-Ca,Cl·HCO3-Ca and Cl·SO4-Ca); (2) karst water chemical environment has changed, so that karst erosion rate accelerated; (3) the groundwater quality partition shows most of this area is good water, only part of this area is IV,V type water (poor water). Research suggests Jinan karst water quality has been deteriorating.

Inland plain shallow saline water has great exploitation potentiality. Based on field water testing, water level monitoring, pumping test, as well as indoor leaching experiment, applying mathematical statistics, Pipers trilinear nomograph and PHREEQC chemistry simulation methods, saline water area of the town of Sungeng Jiyang was studied. The results showed as follows: (1) Inland shallow groundwater presents “weather-evaporative” dynamic type; (2)The shallow saline water and middle-deep groundwater belonging to different flow system; (3) Because of the creeping flow and aqueous medium riched in clay, inland shallow groundwater mineralized significantly. In saline water area inland plain, the unique features of groundwater circulation result in brackish water dynamic relative stability.

Groundwater source pumps are popular recently in worldwide. More and more pumps have been built in city. It is well known that the heat recharged to ground aquifer from refrigeration and air-conditioning in summer will migrate along with groundwater flow. So it is worthy to study the problem such as whether it impact on the safety of oil station. This paper presents a model which use simulation the heat of groundwater pump migrate process to study the impact on oil station downstream. Through simulation the heat field diffusion procedure and temperature change are obtained. Results show that the recharged heat issued from summer groundwater source pump will spread for a long distance to oil-station with downstream flow, the temperature around oil-station rise significant. The heat may influence the safety of storage tank and oil station.

Shallow inland water resources has a large potential for development. To Jiyang shallow groundwater for example, through the regular ion-test analysis, Piper diagram and hydrogeochemical characteristics, the results show that: (1) The type of chemistry of shallow groundwater inland were Cl·SO4-Mg·Na·Ca; (2) The salt water area is relatively fixed, there is no expansion or decreasing trend; (3) The level flow of shallow groundwater is slow and water rock interaction is strong, that is not conducive to the shallow groundwater quality improvement, changing the runoff conditions of shallow groundwater is essential way for shallow groundwater resources exploitation.